Flight Route MapGreat Circle · Flight distance

Route map

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Route result

CTU – IAD – JFK

Low detour
Detour ratio4.6%Low detour
Total route distance
6,831 nautical mi12,650 km
Direct great-circle distance
6,531 nautical mi12,095 km
Extra flying distance
300 nautical mi556 km

Segment details

2 Segment
#FromTonautical mikm
1CTUChengdu (Shuangliu)IADWashington, D.C.6,63312,284
2IADWashington, D.C.JFKNew York198366

The detour ratio is based on great-circle distances between segments and the origin and destination. It compares route structure only and does not represent an actual flight path or flown distance. Airport information and coordinates are for geographic display and distance calculation only, not navigation, flight planning or operational decisions.

ROUTE ANALYSIS

CTU–IAD–JFK great-circle route distance and stopover analysis

This flight route map starts at Chengdu (Shuangliu) (CTU), continues through Washington, D.C. (IAD), ends at New York (JFK). The same airport coordinates are used for segment, total and direct great-circle distances.

Total segments
6,831 nm
12,650 km
Direct distance
6,531 nm
12,095 km
Extra distance
300 nm
556 km
Detour ratio
4.6%
Great-circle basis

Airports in this route

  1. 1
    CTU · Chengdu (Shuangliu), ChinaChengdu Shuangliu International Airport · ZUUU30.5583°N, 103.9460°E
  2. 2
    IAD · Washington, D.C., United StatesWashington Dulles International Airport · KIAD38.9530°N, 77.4560°W
  3. 3
    JFK · New York, United StatesJohn F. Kennedy International Airport · KJFK40.6413°N, 73.7781°W

Segment distances

Frequently asked questions

How is the CTU–IAD–JFK detour ratio calculated?

The tool adds the adjacent great-circle segments to 6831 nautical miles and compares that total with the 6531 nautical-mile direct distance from CTU to JFK. This route's detour ratio is 4.6%.

Is the CTU–IAD–JFK distance the flown mileage?

No. It is a spherical great-circle comparison from Chengdu (Shuangliu) to New York, not an actual airway, flight path, flight time or operational mileage. Weather, airspace and routing can change the flown distance.

Why review the CTU–IAD–JFK segment details?

This route contains 2 segments. The list shows where extra distance is introduced and confirms that the total is built from every adjacent airport pair.

MAN–DUB–IADLHR–JFKNRT–LAXAKL–SCLGreat CircleFlight DistanceHow It Works

Note: the detour ratio is based on great-circle segment distances and does not represent an actual flight path or flown mileage.